feasible
adjective/ˈfizəbl/ 
that is possible and likely to be achieved
synonym practicablea feasible plan/suggestion/ideaIt's just not feasible to manage the business on a part-time basis. antonym unfeasible feasibility/ˌfizəˈbɪlət̮i/
noun [uncountable]a feasibility study on the proposed new airportI doubt the feasibility of the plan.